US3096701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-threading automatic film processing apparatus
Assignee: Fairchild Semiconductor Corp
•
Filing: 1958-01-23
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Granted: 1963-07-09
•
Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 Charles N Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:55
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A DEVICE FOR FEEDING PHOTOGRAPHIC FILM OR THE LIKE THROUGH A LIQUID TREATMENT BATH, COMPRISING A PAIR OF SPACED-APART PARALLEL PLATES, A DRIVE WHEEL MOUNTED BETWEEN SAID PLATES FOR ROTATION ABOUT AN AXIS PERPENDICULAR TO SAID PLATES, SAID DRIVE WHEEL HAVING A WIDTH SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN SAID PLATES AND A RADIUS LESS THAN THE DISTANCE SAID AXIS TO THE NEAREST POINT ON THE PERIMETER OF EITHER OF SAID PLATES, A FILM-GUIDING GROOVE IN EACH OF THE FACING SURFACES OF SAID PLATES AND EXTENDING BETWEEN POINTS OF FILM ENTRY AND FILM EXIT ON THE PERIMETERS OF SAID PLATES, SAID GROOVES BEING IN REGISTRY WITH EACH OTHER AND WITH A MAJOR PORTION OF THE PERIPHERY OF SAID DRIVE WHEEL, A PLURALITY OF SPACED-APART IDLER WHEELS MOUNTED BETWEEN SAID PLATES FOR ROTATION ABOUT AXES PARALLEL TO SAID FIRST AXIS, SAID IDLER WHEELS BEING MOUNTED ADJACENT THE PERIPHERY OF SAID DRIVE WHEEL, MEANS FOR TION IN DIRECTIONS RADIAL OF SAID DRIVE WHEEL, MEANS FOR ROTATING SAID DRIVE WHEEL, AND MEANS FOR RESILIENTLY URGING SAID IDLER WHEELS TOWARD SAID DRIVE WHEEL.
Claim 2
Independent Claim
179 words
A DEVICE FOR FEEDING PHOTOGRAPHIC FILM OR THE LIKE THROUGH A LIQUID TREATMENT BATH, COMPRISING A PAIR OF SPACED-APART PARALLEL PLATES, A DRIVE WHEEL MOUNTED BETWEEN SAID PLATES FOR ROTATION ABOUT AN AXIS PERPENDICULAR TO SAID PLATES, SAID DRIVE WHEEL HAVING A WIDTH SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN SAID PLATES AND A RADIUS LESS THAN THE DISTANCE SAID AXIS TO THE NEAREST POINT ON THE PERIMETER OF EITHER OF SAID PLATES, A FILM-GUIDING GROOVE IN EACH OF THE FACING SURFACES OF SAID PLATES AND EXTENDING BETWEEN POINTS OF FILM ENTRY AND FILM EXIT ON THE PERIMETERS OF SAID PLATES, SAID GROOVES BEING IN REGISTRY WITH EACH OTHER AND WITH A MAJOR PORTION OF THE PERIPHERY OF SAID DRIVE WHEEL, A PLURALITY OF SPACED-APART IDLER WHEELS MOUNTED BETWEEN SAID PLATES FOR ROTATION ABOUT AXES PARALLEL TO SAID FIRST AXIS, SAID IDLER WHEELS BEING MOUNTED ADJACENT THE PERIPHERY OF SAID DRIVE WHEEL, MEANS FOR TION IN DIRECTIONS RADIAL OF SAID DRIVE WHEEL, MEANS FOR ROTATING SAID DRIVE WHEEL, AND MEANS FOR RESILIENTLY URGING SAID IDLER WHEELS TOWARD SAID DRIVE WHEEL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |